<template>
  <div>
    <h3>这个是Father组件---navite--{{ num }}</h3>
    <!-- <Son :value="num" @input="(val)=> num = val"/> -->
    <Son v-model="num" />
  </div>
</template>
<script>
import Son from './Son.vue'
export default {
  components: {
    Son
  },
  data() {
    return {
      return: {
        num: 100
      }
    }
  },
  methods: {
    hClick() {
      alert('ok')
    }
  }
}
</script>
